body {
  color: pink;
  background-color: aquamarine;
  .box1, .box2, .box3, .box4 {
    width: 100px;
    height: 100px;
  }
  .box1{
    background: url('./img/dili1.png') no-repeat center center;
    background-size: contain;
  }
  .box2{
    background: url(./img/dili2.png) no-repeat center center;
    background-size: contain;
  }
  .box3{
    background: url(./img/dili3.png) no-repeat center center;
    background-size: contain;
  }
  .box4{
    background: url(./img/dili4.png) no-repeat center center;
    background-size: contain;
  }
}